243162727940 has 48 divisors (see below), whose sum is σ = 572119498944. Its totient is φ = 86033001600.

The previous prime is 243162727901. The next prime is 243162727957. The reversal of 243162727940 is 49727261342.

It is a super-2 number, since 2×243162727940² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14928146 + ... + 14944425.

It is an arithmetic number, because the mean of its divisors is an integer number (11919156228).

Almost surely, 2^243162727940 is an apocalyptic number.

243162727940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243162727940 is an abundant number, since it is smaller than the sum of its proper divisors (328956771004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243162727940 is a wasteful number, since it uses less digits than its factorization.

243162727940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29872628 (or 29872626 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 243162727940 in words is "two hundred forty-three billion, one hundred sixty-two million, seven hundred twenty-seven thousand, nine hundred forty".